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require 'test/unit'
require 'rake'
######################################################################
class Rake::TestTaskArguments < Test::Unit::TestCase
def setup
@backup = ENV.to_hash
ENV.clear
end
def teardown
ENV.clear
@backup.each {|k, v| ENV[k] = v }
end
def test_empty_arg_list_is_empty
ta = Rake::TaskArguments.new([], [])
assert_equal({}, ta.to_hash)
end
def test_multiple_values_in_args
ta = Rake::TaskArguments.new([:a, :b, :c], [:one, :two, :three])
assert_equal({:a => :one, :b => :two, :c => :three}, ta.to_hash)
end
def test_to_s
ta = Rake::TaskArguments.new([:a, :b, :c], [1, 2, 3])
assert_equal ta.to_hash.inspect, ta.to_s
assert_equal ta.to_hash.inspect, ta.inspect
end
def test_enumerable_behavior
ta = Rake::TaskArguments.new([:a, :b, :c], [1, 2 ,3])
assert_equal [10, 20, 30], ta.collect { |k,v| v * 10 }.sort
end
def test_named_args
ta = Rake::TaskArguments.new(["aa", "bb"], [1, 2])
assert_equal 1, ta.aa
assert_equal 1, ta[:aa]
assert_equal 1, ta["aa"]
assert_equal 2, ta.bb
assert_nil ta.cc
end
def test_args_knows_its_names
ta = Rake::TaskArguments.new(["aa", "bb"], [1, 2])
assert_equal ["aa", "bb"], ta.names
end
def test_extra_names_are_nil
ta = Rake::TaskArguments.new(["aa", "bb", "cc"], [1, 2])
assert_nil ta.cc
end
def test_args_can_reference_env_values
ta = Rake::TaskArguments.new(["aa"], [1])
ENV['rev'] = "1.2"
ENV['VER'] = "2.3"
assert_equal "1.2", ta.rev
assert_equal "2.3", ta.ver
end
def test_creating_new_argument_scopes
parent = Rake::TaskArguments.new(['p'], [1])
child = parent.new_scope(['c', 'p'])
assert_equal({:p=>1}, child.to_hash)
assert_equal 1, child.p
assert_equal 1, child["p"]
assert_equal 1, child[:p]
assert_nil child.c
end
def test_child_hides_parent_arg_names
parent = Rake::TaskArguments.new(['aa'], [1])
child = Rake::TaskArguments.new(['aa'], [2], parent)
assert_equal 2, child.aa
end
def test_default_arguments_values_can_be_merged
ta = Rake::TaskArguments.new(["aa", "bb"], [nil, "original_val"])
ta.with_defaults({ :aa => 'default_val' })
assert_equal 'default_val', ta[:aa]
assert_equal 'original_val', ta[:bb]
end
def test_default_arguements_that_dont_match_names_are_ignored
ta = Rake::TaskArguments.new(["aa", "bb"], [nil, "original_val"])
ta.with_defaults({ "cc" => "default_val" })
assert_nil ta[:cc]
end
end
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